Lesk algorithm: Difference between revisions

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m Criticisms and other Lesk-based methods: Rep typographic ligatures like "fi" with plain text; possible ref cleanup; WP:GenFixes on, replaced: fi → fi (2) using AWB
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==Criticisms and other Lesk-based methods==
Unfortunately, Lesk’s approach is very sensitive to the exact wording of definitions, so the absence of a certain word can radically change the results. Further, the algorithm determines overlaps only among the glosses of the senses being considered. This is a significantsignificant limitation in that dictionary glosses tend to be fairly short and do not provide sufficient vocabulary to relate finefine-grained sense distinctions.
 
Recently, a lot of works appeared which offer different modifications of this algorithm. These works use other resources for analysis (thesauruses, synonyms dictionaries or morphological and syntactic models): for instance, it may use such information as synonyms, different derivatives, or words from definitions of words from definitions.<ref>Alexander Gelbukh, Grigori Sidorov. Automatic resolution of ambiguity of word senses in dictionary definitions (in Russian). J. Nauchno-Tehnicheskaya Informaciya (NTI), ISSN 0548-0027, ser. 2, N 3, 2004, pp. 10–15.</ref>